Analysis
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max time kernel
134s -
max time network
137s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
02-11-2020 09:10
Static task
static1
Behavioral task
behavioral1
Sample
dda612840ea2c14820710be560ad687c.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
dda612840ea2c14820710be560ad687c.exe
Resource
win10v20201028
General
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Target
dda612840ea2c14820710be560ad687c.exe
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Size
668KB
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MD5
dda612840ea2c14820710be560ad687c
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SHA1
225eab5fecd69281a727d2910ffca2f65341d776
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SHA256
fb89126a584d7c5f4051ea49ee0a03f18b3f08a9c9c165088cee1ceeb482e75d
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SHA512
71d17ced9bed86ecb4935d7c31361bc94f31a419f98caba8afa31a61c5dfb2aa6a769091ccf1b44d0141ee7b7ff4d01aa7601e4113f389c443a81d6e161cbe69
Malware Config
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload 4 IoCs
Processes:
resource yara_rule behavioral1/memory/676-18-0x00000000002E0000-0x0000000000304000-memory.dmp family_redline behavioral1/memory/676-19-0x0000000000340000-0x0000000000362000-memory.dmp family_redline behavioral1/memory/1132-24-0x00000000003B0000-0x00000000003D4000-memory.dmp family_redline behavioral1/memory/1132-25-0x00000000026A0000-0x00000000026C2000-memory.dmp family_redline -
Executes dropped EXE 2 IoCs
Processes:
bestof.exebestofd.exepid process 1212 bestof.exe 1132 bestofd.exe -
Loads dropped DLL 2 IoCs
Processes:
dda612840ea2c14820710be560ad687c.exepid process 1096 dda612840ea2c14820710be560ad687c.exe 1096 dda612840ea2c14820710be560ad687c.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Legitimate hosting services abused for malware hosting/C2 1 TTPs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 17 checkip.amazonaws.com 10 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
bestof.exedescription pid process target process PID 1212 set thread context of 676 1212 bestof.exe AddInProcess32.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
dda612840ea2c14820710be560ad687c.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 dda612840ea2c14820710be560ad687c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString dda612840ea2c14820710be560ad687c.exe -
Processes:
dda612840ea2c14820710be560ad687c.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 dda612840ea2c14820710be560ad687c.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 dda612840ea2c14820710be560ad687c.exe -
Runs ping.exe 1 TTPs 2 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
AddInProcess32.exebestofd.exepid process 676 AddInProcess32.exe 676 AddInProcess32.exe 1132 bestofd.exe 1132 bestofd.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
bestof.exeAddInProcess32.exebestofd.exedescription pid process Token: SeDebugPrivilege 1212 bestof.exe Token: SeDebugPrivilege 676 AddInProcess32.exe Token: SeDebugPrivilege 1132 bestofd.exe -
Suspicious use of WriteProcessMemory 38 IoCs
Processes:
dda612840ea2c14820710be560ad687c.exebestof.exeAddInProcess32.execmd.exebestofd.execmd.exedescription pid process target process PID 1096 wrote to memory of 1212 1096 dda612840ea2c14820710be560ad687c.exe bestof.exe PID 1096 wrote to memory of 1212 1096 dda612840ea2c14820710be560ad687c.exe bestof.exe PID 1096 wrote to memory of 1212 1096 dda612840ea2c14820710be560ad687c.exe bestof.exe PID 1096 wrote to memory of 1212 1096 dda612840ea2c14820710be560ad687c.exe bestof.exe PID 1096 wrote to memory of 1132 1096 dda612840ea2c14820710be560ad687c.exe bestofd.exe PID 1096 wrote to memory of 1132 1096 dda612840ea2c14820710be560ad687c.exe bestofd.exe PID 1096 wrote to memory of 1132 1096 dda612840ea2c14820710be560ad687c.exe bestofd.exe PID 1096 wrote to memory of 1132 1096 dda612840ea2c14820710be560ad687c.exe bestofd.exe PID 1212 wrote to memory of 980 1212 bestof.exe AddInProcess32.exe PID 1212 wrote to memory of 980 1212 bestof.exe AddInProcess32.exe PID 1212 wrote to memory of 980 1212 bestof.exe AddInProcess32.exe PID 1212 wrote to memory of 980 1212 bestof.exe AddInProcess32.exe PID 1212 wrote to memory of 676 1212 bestof.exe AddInProcess32.exe PID 1212 wrote to memory of 676 1212 bestof.exe AddInProcess32.exe PID 1212 wrote to memory of 676 1212 bestof.exe AddInProcess32.exe PID 1212 wrote to memory of 676 1212 bestof.exe AddInProcess32.exe PID 1212 wrote to memory of 676 1212 bestof.exe AddInProcess32.exe PID 1212 wrote to memory of 676 1212 bestof.exe AddInProcess32.exe PID 1212 wrote to memory of 676 1212 bestof.exe AddInProcess32.exe PID 1212 wrote to memory of 676 1212 bestof.exe AddInProcess32.exe PID 1212 wrote to memory of 676 1212 bestof.exe AddInProcess32.exe PID 1212 wrote to memory of 676 1212 bestof.exe AddInProcess32.exe PID 676 wrote to memory of 1756 676 AddInProcess32.exe cmd.exe PID 676 wrote to memory of 1756 676 AddInProcess32.exe cmd.exe PID 676 wrote to memory of 1756 676 AddInProcess32.exe cmd.exe PID 676 wrote to memory of 1756 676 AddInProcess32.exe cmd.exe PID 1756 wrote to memory of 916 1756 cmd.exe PING.EXE PID 1756 wrote to memory of 916 1756 cmd.exe PING.EXE PID 1756 wrote to memory of 916 1756 cmd.exe PING.EXE PID 1756 wrote to memory of 916 1756 cmd.exe PING.EXE PID 1132 wrote to memory of 812 1132 bestofd.exe cmd.exe PID 1132 wrote to memory of 812 1132 bestofd.exe cmd.exe PID 1132 wrote to memory of 812 1132 bestofd.exe cmd.exe PID 1132 wrote to memory of 812 1132 bestofd.exe cmd.exe PID 812 wrote to memory of 1420 812 cmd.exe PING.EXE PID 812 wrote to memory of 1420 812 cmd.exe PING.EXE PID 812 wrote to memory of 1420 812 cmd.exe PING.EXE PID 812 wrote to memory of 1420 812 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\dda612840ea2c14820710be560ad687c.exe"C:\Users\Admin\AppData\Local\Temp\dda612840ea2c14820710be560ad687c.exe"1⤵
- Loads dropped DLL
- Checks processor information in registry
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exebestof.exe2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe3⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""4⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 35⤵
- Runs ping.exe
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C:\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exebestofd.exe2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"cmd.exe" /C ping 127.0.0.1 -n 3 > nul & del ""3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 34⤵
- Runs ping.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exeMD5
b77a1d58626a5d4a77202afbf717accb
SHA11a37bf11e2b75384785d05780fe17fe1167bfbb1
SHA256a0a1952f947eaea5f54da2c343da0dc0ef5cd7bc58fe27f1dbf4e7199e757a13
SHA512d12789afcdf0b6dc4dfd5c944c56466c3305b1f87670a038401e22a27ee8980b11a6039e73c4729c731dfd241fdb84c7c850c6ee2cd04bdfac6d5f5b2c8fff26
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C:\Users\Admin\AppData\Roaming\gfersesurity\bestof.exeMD5
b77a1d58626a5d4a77202afbf717accb
SHA11a37bf11e2b75384785d05780fe17fe1167bfbb1
SHA256a0a1952f947eaea5f54da2c343da0dc0ef5cd7bc58fe27f1dbf4e7199e757a13
SHA512d12789afcdf0b6dc4dfd5c944c56466c3305b1f87670a038401e22a27ee8980b11a6039e73c4729c731dfd241fdb84c7c850c6ee2cd04bdfac6d5f5b2c8fff26
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C:\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exeMD5
72131adb0e2315281aae445db11e09a2
SHA1712ca2ebaa7d9bc9bbe18f7843954cfb0d22b08e
SHA2569ea7a66f0c3dc13ddfc6f05d95049dd7f641053a380578a12013db9f72367f65
SHA512bbc68fa0c586aaa7227da59848407672e7629e8f1289384add8638c21bab69d41495bcfc7881446b527e5aa4db14e1babc4f71dfee32b69705e6d3b64bf46a22
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\Users\Admin\AppData\Roaming\gfersesurity\bestof.exeMD5
b77a1d58626a5d4a77202afbf717accb
SHA11a37bf11e2b75384785d05780fe17fe1167bfbb1
SHA256a0a1952f947eaea5f54da2c343da0dc0ef5cd7bc58fe27f1dbf4e7199e757a13
SHA512d12789afcdf0b6dc4dfd5c944c56466c3305b1f87670a038401e22a27ee8980b11a6039e73c4729c731dfd241fdb84c7c850c6ee2cd04bdfac6d5f5b2c8fff26
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\Users\Admin\AppData\Roaming\gfersesurity\bestofd.exeMD5
72131adb0e2315281aae445db11e09a2
SHA1712ca2ebaa7d9bc9bbe18f7843954cfb0d22b08e
SHA2569ea7a66f0c3dc13ddfc6f05d95049dd7f641053a380578a12013db9f72367f65
SHA512bbc68fa0c586aaa7227da59848407672e7629e8f1289384add8638c21bab69d41495bcfc7881446b527e5aa4db14e1babc4f71dfee32b69705e6d3b64bf46a22
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memory/676-13-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
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memory/676-19-0x0000000000340000-0x0000000000362000-memory.dmpFilesize
136KB
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memory/676-18-0x00000000002E0000-0x0000000000304000-memory.dmpFilesize
144KB
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memory/676-17-0x0000000074BE0000-0x00000000752CE000-memory.dmpFilesize
6.9MB
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memory/676-14-0x000000000040CD2F-mapping.dmp
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memory/676-15-0x0000000000400000-0x0000000000436000-memory.dmpFilesize
216KB
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memory/676-16-0x0000000000B50000-0x0000000000B61000-memory.dmpFilesize
68KB
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memory/812-28-0x0000000000000000-mapping.dmp
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memory/916-27-0x0000000000000000-mapping.dmp
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memory/1096-0-0x00000000024D4000-0x00000000024E5000-memory.dmpFilesize
68KB
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memory/1096-1-0x00000000027C0000-0x00000000027D1000-memory.dmpFilesize
68KB
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memory/1132-22-0x0000000003E10000-0x0000000003E21000-memory.dmpFilesize
68KB
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memory/1132-11-0x0000000000000000-mapping.dmp
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memory/1132-20-0x0000000002439000-0x000000000243A000-memory.dmpFilesize
4KB
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memory/1132-21-0x0000000003C70000-0x0000000003C81000-memory.dmpFilesize
68KB
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memory/1132-23-0x0000000074BE0000-0x00000000752CE000-memory.dmpFilesize
6.9MB
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memory/1132-24-0x00000000003B0000-0x00000000003D4000-memory.dmpFilesize
144KB
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memory/1132-25-0x00000000026A0000-0x00000000026C2000-memory.dmpFilesize
136KB
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memory/1212-8-0x0000000001120000-0x0000000001121000-memory.dmpFilesize
4KB
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memory/1212-7-0x00000000745C0000-0x0000000074CAE000-memory.dmpFilesize
6.9MB
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memory/1212-4-0x0000000000000000-mapping.dmp
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memory/1420-30-0x0000000000000000-mapping.dmp
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memory/1636-2-0x000007FEF6930000-0x000007FEF6BAA000-memory.dmpFilesize
2.5MB
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memory/1756-26-0x0000000000000000-mapping.dmp